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| n | a(n) |
|---|---|
| 1 | 453728 |
| 2 | 37628800 |
| 3 | 2539059832 |
| 4 | 246163893400 |
| 5 | 23699592729240 |
| 6 | 2541252995824388 |
| 7 | 274279786722927952 |
| 8 | 30509434550485099928 |
| 9 | 3400106613169003997008 |
| 10 | 382475460709509500849860 |
| 11 | 43015136805905088118451312 |
[453728,37628800,2539059832,246163893400, 23699592729240,2541252995824388, 274279786722927952,30509434550485099928, 3400106613169003997008,382475460709509500849860, 43015136805905088118451312] |